<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #a1{background-color: pink}
        .c1{color: green}
        ul,a{background-color: aqua}
        a:link{color: green}
        a:visited{color: blue}
        a:hover{color: red}
        a:active{color: yellow}
        [type="text"]{color: red}
        [type="password"]{background-color: green}
        body div div p{color: green;}
        body>div>div>p{background-color: red}
    </style>
</head>
<body>
    <div id="a1">刘备</div>
    <div>关羽</div
    <div class="c1">张飞</div>
    <p>悟空</p>
    <p>八戒</p>
    <p class="c1">沙僧</p>
<ul>
    <li>水煮鱼</li>
    <li>红烧肉</li>
    <li class="c1">黄焖鸡</li>
</ul>
    <input type="text">
    <input type="password">
<div>
    <p>p1</p>
    <div><p>p2</p></div>
    <div>
        <p>p3</p>
        <div><p>p4</p></div>
    </div>
    <a href="http://www.tmooc.cn">TMOOC</a>
</div>
</body>
</html>